| 1 | /* $Id: utils.h 69500 2017-10-28 15:14:05Z vboxsync $ */
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| 2 | /** @file
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| 3 | * ComHostUtils.cpp
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2013-2017 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | /*******************************************************************************
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| 19 | * Header Files *
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| 20 | *******************************************************************************/
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| 21 | #ifndef _NETLIB_UTILS_H_
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| 22 | #define _NETLIB_UTILS_H_
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| 23 |
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| 24 | #include "cpp/utils.h"
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| 25 |
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| 26 | typedef ComPtr<IVirtualBox> ComVirtualBoxPtr;
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| 27 | typedef ComPtr<IVirtualBoxClient> ComVirtualBoxClientPtr;
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| 28 | typedef ComPtr<IDHCPServer> ComDhcpServerPtr;
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| 29 | typedef ComPtr<IHost> ComHostPtr;
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| 30 | typedef ComPtr<INATNetwork> ComNatPtr;
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| 31 | typedef com::SafeArray<BSTR> ComBstrArray;
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| 32 |
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| 33 | typedef std::vector<RTNETADDRIPV4> AddressList;
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| 34 | typedef std::map<RTNETADDRIPV4, int> AddressToOffsetMapping;
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| 35 |
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| 36 |
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| 37 | inline bool isDhcpRequired(const ComNatPtr& nat)
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| 38 | {
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| 39 | BOOL fNeedDhcpServer = false;
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| 40 | if (FAILED(nat->COMGETTER(NeedDhcpServer)(&fNeedDhcpServer)))
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| 41 | return false;
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| 42 |
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| 43 | return RT_BOOL(fNeedDhcpServer);
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| 44 | }
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| 45 |
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| 46 |
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| 47 | inline int findDhcpServer(const ComVirtualBoxPtr& vbox, const std::string& name, ComDhcpServerPtr& dhcp)
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| 48 | {
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| 49 | HRESULT hrc = vbox->FindDHCPServerByNetworkName(com::Bstr(name.c_str()).raw(),
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| 50 | dhcp.asOutParam());
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| 51 | AssertComRCReturn(hrc, VERR_NOT_FOUND);
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| 52 |
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| 53 | return VINF_SUCCESS;
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| 54 | }
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| 55 |
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| 56 |
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| 57 | inline int findNatNetwork(const ComVirtualBoxPtr& vbox, const std::string& name, ComNatPtr& nat)
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| 58 | {
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| 59 | HRESULT hrc = vbox->FindNATNetworkByName(com::Bstr(name.c_str()).raw(),
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| 60 | nat.asOutParam());
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| 61 |
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| 62 | AssertComRCReturn(hrc, VERR_NOT_FOUND);
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| 63 |
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| 64 | return VINF_SUCCESS;
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| 65 | }
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| 66 |
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| 67 |
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| 68 | inline RTNETADDRIPV4 networkid(const RTNETADDRIPV4& addr, const RTNETADDRIPV4& netmask)
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| 69 | {
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| 70 | RTNETADDRIPV4 netid;
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| 71 | netid.u = addr.u & netmask.u;
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| 72 | return netid;
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| 73 | }
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| 74 |
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| 75 |
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| 76 | int localMappings(const ComNatPtr&, AddressToOffsetMapping&);
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| 77 | int hostDnsSearchList(const ComHostPtr&, std::vector<std::string>&);
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| 78 | int hostDnsDomain(const ComHostPtr&, std::string& domainStr);
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| 79 |
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| 80 |
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| 81 | class NATNetworkEventAdapter
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| 82 | {
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| 83 | public:
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| 84 | virtual HRESULT HandleEvent(VBoxEventType_T aEventType, IEvent *pEvent) = 0;
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| 85 | };
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| 86 |
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| 87 |
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| 88 | class NATNetworkListener
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| 89 | {
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| 90 | public:
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| 91 | NATNetworkListener():m_pNAT(NULL){}
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| 92 |
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| 93 | HRESULT init(NATNetworkEventAdapter *pNAT)
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| 94 | {
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| 95 | AssertPtrReturn(pNAT, E_INVALIDARG);
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| 96 |
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| 97 | m_pNAT = pNAT;
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| 98 | return S_OK;
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| 99 | }
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| 100 |
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| 101 | HRESULT init()
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| 102 | {
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| 103 | m_pNAT = NULL;
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| 104 | return S_OK;
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| 105 | }
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| 106 |
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| 107 | void uninit() { m_pNAT = NULL; }
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| 108 |
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| 109 | HRESULT HandleEvent(VBoxEventType_T aEventType, IEvent *pEvent)
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| 110 | {
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| 111 | if (m_pNAT)
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| 112 | return m_pNAT->HandleEvent(aEventType, pEvent);
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| 113 | else
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| 114 | return E_FAIL;
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| 115 | }
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| 116 |
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| 117 | private:
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| 118 | NATNetworkEventAdapter *m_pNAT;
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| 119 | };
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| 120 | typedef ListenerImpl<NATNetworkListener, NATNetworkEventAdapter*> NATNetworkListenerImpl;
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| 121 |
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| 122 | # ifdef VBOX_WITH_XPCOM
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| 123 | class NS_CLASSINFO_NAME(NATNetworkListenerImpl);
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| 124 | # endif
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| 125 |
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| 126 | typedef ComPtr<NATNetworkListenerImpl> ComNatListenerPtr;
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| 127 | typedef com::SafeArray<VBoxEventType_T> ComEventTypeArray;
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| 128 |
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| 129 | /* XXX: const is commented out because of compilation erro on Windows host, but it's intended that this function
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| 130 | isn't modify event type array */
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| 131 | int createNatListener(ComNatListenerPtr& listener, const ComVirtualBoxPtr& vboxptr,
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| 132 | NATNetworkEventAdapter *adapter, /* const */ ComEventTypeArray& events);
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| 133 | int destroyNatListener(ComNatListenerPtr& listener, const ComVirtualBoxPtr& vboxptr);
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| 134 | int createClientListener(ComNatListenerPtr& listener, const ComVirtualBoxClientPtr& vboxclientptr,
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| 135 | NATNetworkEventAdapter *adapter, /* const */ ComEventTypeArray& events);
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| 136 | int destroyClientListener(ComNatListenerPtr& listener, const ComVirtualBoxClientPtr& vboxclientptr);
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| 137 |
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| 138 | #endif
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